devip4198 Asked: January 2023 the average atomic mass of an element x is 16.2u. what are the percentage of isotopes x-16 (mass number) & x-18 (mass number) in the sample
devip4198 Asked: December 2022 the number of neutrons in an atom x is 18 and numbers protons are 17 find the mass number of the element
devip4198 Asked: December 2022 select the solution from the following a lemonade b air c sand in water d distilled water
devip4198 Asked: December 2022 make a long list of all kinds of work that you find adults around you doing for a living. in
devip4198 Asked: December 2022 which one of the following is not a viral diseasea aids c denguemalaria d polio